// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/random#getting_a_random_integer_between_two_values_inclusive

function getRandomIntInclusive(min, max) {

    min = Math.ceil(min);

    max = Math.floor(max);

    return Math.floor(Math.random() * (max - min + 1) + min); //The maximum is inclusive and the minimum is inclusive

}

​

function shuffleOliver(array) {

    let current;

    let top;

    let tmp = (current = top = array?.length);

​

    if (!top) {

        return array;

    }

​

    while (--top) {

        current = getRandomIntInclusive(0, top);

        tmp = array[current];

        array[current] = array[top];

        array[top] = tmp;

    }

    return array;

};

​

function shuffleAndrea(array) {

    let {length} = array;

    while (length--) {

        let i = getRandomIntInclusive(0, length);

        [array[i], array[length]] = [array[length], array[i]];

    }

    return array;

};

​

function shuffleNikolay(array) {

    const t = array.splice(0, array.length);

    while (t.length > 0) {

        const index = getRandomIntInclusive(0, t.length - 1);

        array.push(t.splice(index, 1)[0]);

    }

    return array;

};

​

window.array_10000 = Array.from(Array(10000).keys());